The ES20M is smart dimmer with an advanced motion and ambient light sensor built in. Ideal for areas where hand-free operation is ideal, the ES20M is perfect for those who want more automation in their home, including those with limited mobility or those with children in the home. Walk into a room and have your lights automatically turn on. Lights can be programmed to turn off after a set time without motion detection to save on electricity. The smart dimmer also includes an ambient light sensor that will detect daylight conditions and prevent the lights from turning on during the daytime if desired. Fully customize your experience with dimmer settings based on your routine. Best of all, the smart dimmer is hands-free, voice controllable, and app accessed. From Amazon Alexa, Google Assistant, to Samsung SmartThings, the Kasa Smart ES20M gives you convenient voice controls.You can expect Kasa Smart quality with the ES20M which has undergone rigorous safety testing and has been UL certified by 3rd party Underwriter Laboratories. In addition, the device is backed by an industry leading 2-year limited warranty. If you are one of the 7 million plus Kasa Smart users, you will also appreciate that the ES20M is compatible with other Kasa devices meaning, you can set groups, and smart actions to work in conjunction with other Kasa Smart devices.Take control of your smart lighting, and have total automated freedom with the Kasa Smart ES20M Smart Dimmer with motion sensor.This which can achieve more automation, intelligence, and personalized settings. Standard: IEEE802.11 b/g/n Wi-Fi Standard: 2.4 GHz Wi-Fi only Max load: 300W INC, 150 W CFL/LED. Power Supply: AC 100~125 V, 50/60 Hz Neutral Wire Required. 2-year warranty.